package org.example.facade;

/**
 * @author wangbin
 * @date 2024/4/18
 * @vesion 1.0
 */
public class Popcorn {
    private static Popcorn instance = new Popcorn();

    public static Popcorn getInstance() {
        return instance;
    }

    public void on() {
        System.out.println(" Popcorn on");
    }

    public void off() {
        System.out.println(" Popcorn off");

    }
}
